Arectangle in the coordinate plane has verticies at (0,0) (4,0) and (0,-2). what are the coordinates of the fourth vertex?
answer with supporting work?

What is the distance between (–2 1/2,-3) and (1, –3)?

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?